Trends in modern periodic table - class-X

Question 1 Multiple Choice (Single Answer)

On the Mulliken scale, the average of ionization potential and electrons affinity is known as _____(electronegativity/affinity).

electronegativity
electroneaffinity
electropositivity
none

Question 2 Multiple Choice (Single Answer)

If the E.N. value of Nitrogen in the pauling scale is 3.0, then he value in mulliken scale will be

$11.2$
$22.4$
$8.4$
$3.0$

Question 3 Multiple Choice (Single Answer)

Which of the following is the correct order of hydrated radii?

$Li^{+} < Na^{+} < K^{+} < Rb^{+} < Cs^{+}$
$Rb^{+} < Na^{+} < Li ^{+} < Cs^{+} < K^{+}$
$Cs^{+} < Rb^{+} < K^{+} < Na ^{+}< Li^{+}$
$Li^{+} < K^{+} < Na^{+} < Rb ^{+} < Cs ^{+}$

Question 4 Multiple Choice (Single Answer)

Electronegativity of $F$ on Pauling's scale is 4.0. The value on Mulliken's scale is:

$11.2$
$14.4$
$16.8$
None of these

Question 5 Multiple Choice (Single Answer)

EN(mulliken scale) of the element (A) is $E _1$ and IP is $E _2$. Hence, EA will be:

$2E _1 - E _2$
$E _1 - E _2$
$E _1 - 2E _2$
$(E _1 + E _2)/2$

Question 6 Multiple Choice (Single Answer)

The ionic radii of ${Rb}^{+}$ and ${I}^{-}$ are $1.46$ and $2.16$ $\mathring { A } $, respectively. The most probable type of structure exhibited by it is

$CsCl$ type
$NaCl$ type
$ZnS$ type
$Ca{F} _{2}$ type

Question 7 Multiple Choice (Single Answer)

Which pair of element has almost identical electronegativity values?

$In,Tl$
$B,Al$
$B,Ga$
$Al,Tl$

Question 8 Multiple Choice (Single Answer)

Mulliken scale of elecrtonegativity uses the concept of:

E. A. and EN of pauling
E.A. and atomic size
E.A. and I.P.
E.A. and bond energy

Question 9 Multiple Choice (Single Answer)

If the ionisation potential is IP, electron affinity is EA and electronegativity is x then which of the following relation is correct.

2X-EA-IP=0
2EA-X-IP=0
2IP-X-EA=0
All of the above

Question 10 Multiple Choice (Single Answer)

Electronegativity of F on Pauling scale is 4.0. Its value on Mulliken scale is__________.

12.35
11.0
15.2
14.2

Question 11 Multiple Choice (Single Answer)

Define the relation among the $EN,,IE;and;E.A.$

$EN=\displaystyle\frac{IE\times EA}{2}$
$EN=IE+EA$
$2EN=IE-EA$
$EN=\displaystyle\frac{IE+EA}{2}$
$EN=\displaystyle\frac{IE-EA}{2}$

Question 12 Multiple Choice (Single Answer)

The $Z _{effective}$ for $He$ is?

2
1.7
1.85
1.65

Question 13 Multiple Choice (Single Answer)

The screening effect of 'd' electrons is :

much more than s-electrons
equal to s-electrons
equal to p-electrons
much less than s-electrons

Trends in modern periodic table - class-X

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