Chemical Bonding & Molecular Structure Test

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Chemical Bonding & Molecular Structure Test - 44

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Weekly Quiz Competition

Question 1
4 / -1

Number of H - bond form by unpaired electrons of liquid NH₃ , HM₂O and HF respectively are

A
3, 4, 2

B
4, 4, 2

C
3, 2, 1

D
1, 2, 1
Question 2
4 / -1

Which of the following pair is not in order for boiling point for 14, 15, 16 and 17 group ?

A
H₂O > H₂S

B
HF > HCl

C
CH₄ > SiH₄

D
NH₃ > PH₃
Question 3
4 / -1

Which of the following compound possesses ionic bond ?

A
CH₄

B
SiCl₄

C
BF₃

D
MgCl₂
Question 4
4 / -1

Which of the following relation between BMO and ABMO electrons is correct for stability of diatomic molecule or ion ?

A
N_a > N_b

B
N_b > N_a

C
N_a + N_b = 0

D
N_a = N_b
Question 5
4 / -1

At what distance van-der waals attraction exist ?

A
4.5 × 10^-10 m

B
0.45nm

C
4.5 A^o

D
Given all
Question 6
4 / -1

What is bond energy of H-bond ?

A
40 J mol^-1

B
40 KgJ mol^-1

C
40 cal. mol^-1

D
40 Kg cal mol^-1
Question 7
4 / -1

In which molecule inter molecular H-bond is possible ?

A
CH₃COCH₃

B
CH₄

C
SiH₄

D
NH₃
Question 8
4 / -1

Which of the following characteristic does not possesses by metal ?

A
luminus

B
ductility

C
increase in conductance by increase in temperature

D
malleability
Question 9
4 / -1

On which factor conductance of metals responsible ?

A
ions

B
delocalised

C
atomic kernel

D
number of atoms
Question 10
4 / -1

According to which group, hydrogen bond is form in protein molecule present in muscles of living organism ?

A
–CO–

B
–COOR

C
–CONH–

D
–COOH

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Re-Attempt Weekly Quiz Competition

Chemical Bonding & Molecular Structure Test - 44

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Chemical Bonding & Molecular Structure Test - 44

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Question 1

3, 4, 2

4, 4, 2

3, 2, 1

1, 2, 1

Question 2

H2O > H2S

HF > HCl

CH4 > SiH4

NH3 > PH3

Question 3

CH4

SiCl4

BF3

MgCl2

Question 4

Na > Nb

Nb > Na

Na + Nb = 0

Na = Nb

Question 5

4.5 × 10-10 m

0.45nm

4.5 Ao

Given all

Question 6

40 J mol-1

40 KgJ mol-1

40 cal. mol-1

40 Kg cal mol-1

Question 7

CH3COCH3

CH4

SiH4

NH3

Question 8

luminus

ductility

increase in conductance by increase in temperature

malleability

Question 9

ions

delocalised

atomic kernel

number of atoms

Question 10

–CO–

–COOR

–CONH–

–COOH

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H₂O > H₂S

CH₄ > SiH₄

NH₃ > PH₃

CH₄

SiCl₄

BF₃

MgCl₂

N_a > N_b

N_b > N_a

N_a + N_b = 0

N_a = N_b

4.5 × 10^-10 m

4.5 A^o

40 J mol^-1

40 KgJ mol^-1

40 cal. mol^-1

40 Kg cal mol^-1

CH₃COCH₃

CH₄

SiH₄

NH₃