Chemical Bonding and Molecular Structure Test 22

Result

Chemical Bonding and Molecular Structure Test 22

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Weekly Quiz Competition

Question 1
1 / -0

The dipole moment of a given compound is .............than that of cyclohexyl chloride.
Choose the most appropriate word fill the blank is more

A
more

B
lower

C
same

D
may be more of lower depends upon
Question 2
1 / -0

Which of the following name is incorrectly matched ?

A
$$H_{2}O$$ - dihydrogen monoxide

B
$$SO_{2}$$ - sulphur dioxide

C
$$HOCl$$- chlorous acid

D
$$H_{3}PO_{3}$$ - phosphorous acid

Solution
Question 3
1 / -0

The correct order of dipole moment is

A
$${ CH }_{ 4 }<{ NF }_{ 3 }<{ NH }_{ 3 }<{ H }_{ 2 }O$$

B
$${ NF }_{ 3 }<{ CH }_{ 4 }<{ NH }_{ 3 }<{ H }_{ 2 }O$$

C
$${ NH }_{ 3 }<{ NF }_{ 3 }<{ CH }_{ 4 }<{ H }_{ 2 }O$$

D
$${ H }_{ 2 }O<{ NH }_{ 3 }<{ NF }_{ 3 }<{ CH }_{ 4 }$$

Solution

order of dipole movement is $$H_2O$$ > $$NH3$$ > $$NF_3$$ > $$CH_4$$
Question 4
1 / -0

The atomic weight of an element is double its atomic number. If there are four electrons in $$2p$$ orbital, the element is:

A
$$C$$

B
$$N$$

C
$$O$$

D
$$Ca$$

Solution
Question 5
1 / -0

The number of $$\sigma$$ bonds and $$\pi$$ bonds in the following structure respectively are:-

A
$$8,5$$

B
$$8,6$$

C
$$3,8$$

D
$$5,13$$
Question 6
1 / -0

The number of ion pairs formed from one mole of $$Ca{(OH)}_{2}$$ are

A
$$3$$ mol ion

B
$$2$$ mol ion

C
$$1$$ mol ion

D
$$4$$ mol ion
Question 7
1 / -0

Which of the following has highest bond strength?

A
$$
2 p \pi-2 p \pi
$$

B
$$
2 p \pi-3 p \pi
$$

C
$$
3 d \pi-3 d \pi
$$

D
$$
1 s-2 p
$$
Question 8
1 / -0

Dipole-dipole interaction possible ONLY if the molecules interacting are ______

A
non-polar with zero dipole moment

B
polar with permanent non-zero dipole moment

C
non-polar with induced dipole moment

D
ionic

Solution
Question 9
1 / -0

Which of the following exhibit minimum number of oxidation states :

A
Mn

B
Np

C
Th

D
Cr

Solution

Thorium can show normally +3 oxidation state where as Mn, Cr can show large no of O.S. Np also belong to 5f series with variable O.S.
Question 10
1 / -0

% s-character of N-H bond is maximum in :

A
$$N_2H_2$$

B
$$N_2H_4$$

C
$$NH_3$$

D
$$NH_4^+$$

Solution

In N2H2,N is sp2 hybrid, in all others N is sp3