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Classification of Elements and Periodicity in Properties

398 Questions Start Errorless Test
All Exams Errorless Allen
AMU 2002 Q176 Errorless 1. Extended or long form of periodic table MCQ
The metal-having highest melting point is
A.
Chromium
B.
Tungsten
C.
Diamond
D.
Silver
MP PMT 2002 Q177 Errorless 1. Extended or long form of periodic table MCQ
Which one of the elements is most metallic
A.
$P$
B.
As
C.
$Sb$
D.
$Bi$
Odisha JEE 2002 Q178 Errorless 1. Extended or long form of periodic table MCQ
All the s-block elements of the periodic table are placed in the groups ...
A.
IA and IIA
B.
IIIA and IVA
C.
B sub groups
D.
VA to VIIA
2002 Q179 Errorless 2. Atomic and Ionic radii MCQ
Which of the following is the correct order of ionic radii (BHU 2002)
A.
F > Li > Na > K
B.
F > K > Na > Li
C.
Na > K > F > Li
D.
Li > Na > K > F
KCET 2002 Q180 Errorless 2. Atomic and Ionic radii MCQ
Chloride ion and potassium ion are isoelectronic. Then
A.
Potassium ion is relatively bigger
B.
Depends on the other cation and anion
C.
Their size are same
D.
Chloride ion is bigger than potassium ion
CBSE PMT 2002; AFMC 2012 Q181 Errorless 3. Ionisation Energy MCQ
Which of the following order is wrong
A.
$NH_{3} < PH_{3} < AsH_{3}$ -acidic nature
B.
$Li^{+} < Na^{+} < K^{+} < Cs^{+}$ -ionic radius
C.
$Al_{2}O_{3} < MgO < Na_{2}O < K_{2}O$ -basic
D.
$Li < Be < B < C - 1^{\mathrm{st}}$ ionisation potential
AIIMS 2002 Q182 Errorless 3. Ionisation Energy MCQ
Spectrum of $Li^{2+}$ is similar to that of
A.
H
B.
He
C.
Be
D.
Ne
JIPMER (Med.) 2002 Q183 Errorless 3. Ionisation Energy MCQ
Arrange S, P, As in order of increasing ionisation energy
A.
S < P < As
B.
P < S < As
C.
As < S < P
D.
As < P < S
MP PMT 2002 Q184 Errorless 4. Electron affinity MCQ
Electron affinity depends on
A.
Atomic size
B.
Nuclear charge
C.
Atomic number
D.
Atomic size and nuclear charge both
AFMC 2002 Q185 Errorless 6. Valency and oxidation state MCQ
The maximum valency of an element with atomic number 7 is
A.
2
B.
5
C.
4
D.
3
KCET 2002 Q186 Errorless 6. Valency and oxidation state MCQ
Pentavalency in phosphorus is more stable when compared to that of nitrogen even though they belong to same group is due to
A.
Reactivity of phosphorus
B.
Inert nature of nitrogen
C.
Dissimilar electronic configuration
D.
Larger size of phosphorus atom
AIIMS 2002 Q187 Errorless 6. Valency and oxidation state MCQ
Assertion : Dinegative anion of oxygen $(O^{2-})$ is quite common but dinegative anion of sulphur $(S^{2-})$ is less common.
Reason : Covalency of oxygen is two. (a) If both assertion and reason are true and the reason is the correct explanation of the assertion.
(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.
(c) If assertion is true but reason is false.
(d) If the assertion and reason both are false.
(e) If assertion is false but reason is true.
A.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
B.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
C.
If assertion is true but reason is false.
D.
If the assertion and reason both are false.
E.
If assertion is false but reason is true.
AIEEE 2002 Q188 Errorless 7. Critical Thinking MCQ
Which is the correct order of ionic sizes (At. no.: Ce = 58, Sn = 50, Yb = 70 and Lu = 71)
A.
Ce > Sn > Yb > Lu
B.
Sn > Ce > Lu > Yb
C.
Lu > Yb > Sn > Ce
D.
Sn > Yb > Ce > Lu
DPMT 2001 Q189 Errorless 1. Extended or long form of periodic table MCQ
The last member in each period of the periodic table is
A.
An inert gas element
B.
A transition element
C.
A halogen
D.
An alkali metal
AIIMS 2001 Q190 Errorless 2. Atomic and Ionic radii MCQ
Which of the following ion is the smallest ion
A.
$O_2^+$
B.
$O_2^-$
C.
$O_2$
D.
$O_2^{-2}$
AIIMS 2001 Q191 Errorless 3. Ionisation Energy MCQ
Which of the following element has maximum, first ionisation potential
A.
V
B.
Ti
C.
Cr
D.
Mn
MP PMT 2001 Q192 Errorless 4. Electron affinity MCQ
Which one of the following is an incorrect statement
A.
The ionisation potential of nitrogen is greater than that of oxygen
B.
The electron affinity of fluorine is greater than that of chlorine
C.
The ionisation potential of beryllium is greater than that of boron
D.
The electronegativity of fluorine is greater than that of chlorine
CBSE PMT 2001 Q193 Errorless 6. Valency and oxidation state MCQ
Which of the following gas does not have an octet or eight electrons in the outer shell
A.
Ne
B.
Ar
C.
Rn
D.
He
IIT JEE 2001 Q194 Errorless 7. Critical Thinking MCQ
The set representing the correct order of first ionisation potential is
A.
K > Na > Li
B.
Be > Mg > Ca
C.
B > C > N
D.
Ge > Si > C
AIIMS 2000 Q195 Errorless 1. Extended or long form of periodic table MCQ
Which of the following is the atomic number of a metal
A.
32
B.
34
C.
36
D.
38
AIIMS 2000 Q196 Errorless 1. Extended or long form of periodic table MCQ
Which of the following statement is not correct regarding hydrogen atom
A.
It resembles halogens in some properties
B.
It resembles alkali metals in some properties
C.
It can be placed in $7^{\text{th}}$ group of periodic table
D.
It can not be placed in first group of periodic table
CPMT 2000 Q197 Errorless 1. Extended or long form of periodic table MCQ
Which of the following dinegative anion is quite common
A.
$S^{2-}$
B.
$Se^{2-}$
C.
$Te^{2-}$
D.
$O^{2-}$
CPMT 2000 Q198 Errorless 1. Extended or long form of periodic table MCQ
An element has electronic configuration $1s^{2}2s^{2}2p^{6}3s^{2}3p^{4}$ . Predict their period, group and block
A.
Period $= 3^{\mathrm{rd}}$ , block $= p$ , group $= 16$
B.
Period $= 5^{\mathrm{th}}$ , block $= s$ , group $= 1$
C.
Period $= 3^{\mathrm{rd}}$ , block $= p$ , group $= 10$
D.
Period $= 4^{\mathrm{th}}$ , block $= d$ , group $= 12$
AFMC 2000 Q199 Errorless 1. Extended or long form of periodic table MCQ
Lithium shows similarities to magnesium in its chemical behaviour because
A.
Similar size, same electronegativity and lower polarizing power
B.
Similar size, greater electronegativity and similar polarizing power
C.
Similar size, same electronegativity and similar high polarizing power
D.
None of these
DPMT 2000 Q200 Errorless 1. Extended or long form of periodic table MCQ
Which configuration represents a noble gas
A.
$1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}3d^{10}4s^{2}$
B.
$1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}$
C.
$1s^{2}2s^{2}2p^{6}3p^{6}$
D.
$1s^{2}2s^{2}2p^{6}3s^{2}$