Chemistry Test 43

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Chemistry Test 43

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Weekly Quiz Competition

Question 1
4 / -1

Incorrect statement about I - effect is -

A
It is permanent effect

B
I-effect is distance dependent effect

C
It operate through σ bonds

D
It applicable only in conjugated molecule

Solution

Fact
Question 2
4 / -1

The vapour pressure of water at room temperature is 30 mm of Hg. If the mole fraction of water in a solution of non volatile solute is 0.9, the vapour pressure of the solution will be :-

A
30 mm of Hg

B
24 mm of Hg

C
21 mm of Hg

D
27 mm of Hg
Question 3
4 / -1

What is the potential energy of an electron present in N-shell of the Be³⁺ ion ?

A
–3.4 eV

B
–6.8 eV

C
–13.6 eV

D
–27.2 eV
Question 4
4 / -1

In the following reaction A → B + C ; rate constant is 0.001 Ms^–1. If we start with 1 M of A then conc. of A and B after 10 minutes are respectively :

A
0.5 M, 0.5 M

B
0.6 M, 0.4 M

C
0.4 M, 0.6 M

D
None of these

Question 5

4 / -1

Select the rate law that corresponds to the data shown for the following reaction ?

A + B → C

Expt. No	[A]	[B]	Rate of reaction
1	0.012	0.035	0.10
2	0.024	0.070	0.80
3	0.024	0.035	0.10
4	0.012	0.070	0.80

Rate = K[B]³

Rate = K[B]⁴

Rate = K[A][B]³

Rate = K[A]²[B]²

Question 6
4 / -1

In which of the following molecule central atom is having complete octet

A
BeCl₂(dimer)

B
BeH₂(dimer)

C
BeH₂(s)

D
BeCl₂(s)

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Re-Attempt Weekly Quiz Competition

Chemistry Test 43

Result

Chemistry Test 43

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SHARING IS CARING

Question 1

It is permanent effect

I-effect is distance dependent effect

It operate through σ bonds

It applicable only in conjugated molecule

Solution

Question 2

30 mm of Hg

24 mm of Hg

21 mm of Hg

27 mm of Hg

Question 3

–3.4 eV

–6.8 eV

–13.6 eV

–27.2 eV

Question 4

0.5 M, 0.5 M

0.6 M, 0.4 M

0.4 M, 0.6 M

None of these

Question 5

Rate = K[B]3

Rate = K[B]4

Rate = K[A][B]3

Rate = K[A]2[B]2

Question 6

BeCl2(dimer)

BeH2(dimer)

BeH2(s)

BeCl2(s)

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Rate = K[B]³

Rate = K[B]⁴

Rate = K[A][B]³

Rate = K[A]²[B]²

BeCl₂(dimer)

BeH₂(dimer)

BeH₂(s)

BeCl₂(s)