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# NEET Chemistry Solved Question Paper 2014

#### Multiple Choice Questions

1.

Which ofthe following statements is incorrect?

• Li+ has minimum degree of hydration.

• The oxidation state of K in KO2 is + 1.

• Na is used to make a Na/Pb alloy.

• MgSO4 is readily soluble in water.

A.

Li+ has minimum degree of hydration.

Which ofthe following statements is incorrect?

2.

What is the oxidation number of Br in KBrO4?

• + 6

• + 7

• + 5

• + 8

B.

+ 7

What is the oxidation number of Br in KBrO4?

3.

Which of the following pairs represent isotones?

• ${}_{78}{}^{195}\mathrm{Pt},{}_{76}{}^{190}\mathrm{Os}$

• ${}_{47}{}^{108}\mathrm{Ag},{}_{48}{}^{112}\mathrm{Cd}$

• ${}_{72}{}^{178}\mathrm{Hf},{}_{56}{}^{137}\mathrm{Ba}$

A.

Which of the following pairs represent isotones?

4.

Which is correct regarding size of atom?

• N < O

• B < Ne

• V > Ti

• Na > K

B.

B < Ne

Which is correct regarding size of atom?

5.

Which of the following is not sp2 hybridised?

• Graphite

• Graphene

• Fullerene

• Dry ice

D.

Dry ice

Which of the following is not sp2 hybridised?

6.

Choose the correctly paired gaseous cation and its magnetic (spin only) moment (in B.M.)

• Ti2+,3.87 B.M.

• Cr2+, 4.90 B.M.

• Co3+,3.87 B.M.

• Mn2+,4.90 B.M.

B.

Cr2+, 4.90 B.M.

Choose the correctly paired gaseous cation and its magnetic (spin only) moment (in B.M.)

7.

The equilibrium constant for the reaction,

$\frac{1}{2}$${{\text{H}}_{2}}_{\left(g\right)}$$+$$\frac{1}{2}$${\text{I}}_{{2}_{\left(g\right)}}$$⇌$HI(g)is Kc

Equilibrium constant for the reaction 2HI(g)$⇌$H2(g) + I2(g) will be

• 1/Kc

• 1/(Kc)2

• 2/Kc

• 2/(Kc)2

B.

1/(Kc)2

The equilibrium constant for the reaction,

$\frac{1}{2}$${{\text{H}}_{2}}_{\left(g\right)}$$+$$\frac{1}{2}$${\text{I}}_{{2}_{\left(g\right)}}$$⇌$HI(g)is Kc

Equilibrium constant for the reaction 2HI(g)$⇌$H2(g) + I2(g) will be

8.

Which of the following represents the correct bond order?

• ${O}_{2}^{+}<{O}_{2}^{-}>{O}_{2}^{2-}$

• ${O}_{2}^{-}>{O}_{2}^{2-}>{O}_{2}^{+}$

• ${O}_{2}^{2-}>{O}_{2}^{+}>{O}_{2}^{-}$

• ${O}_{2}^{+}>{O}_{2}^{-}>{O}_{2}^{2-}$

D.

${O}_{2}^{+}>{O}_{2}^{-}>{O}_{2}^{2-}$

Which of the following represents the correct bond order?

# 9.A diatomic gas at pressure P, compressed adiabatically to half of its volume, what is the final pressure?(2)1.4P P/(2)1.4 (2)5/3P P/(2)5/3

A.

(2)1.4P

A diatomic gas at pressure P, compressed adiabatically to half of its volume, what is the final pressure?

10.

In O3molecule, the formal charge on the central O-atom is

• 0

• -1

• -2

• +1

D.

+1

In O3molecule, the formal charge on the central O-atom is