Question

Fill in the blanks by choosing an appropriate option. $$\underline {\left( {\text{i}} \right)} $$  is a synthetic radioactive element of group 15 having electronic configuration $$\underline {\left( {{\text{ii}}} \right)} .$$
(i) (ii)
(a) $$_{115}MC$$ $$\left[ {Rn} \right]5{f^{14}}6{d^{10}}7{s^2}7{p^3}$$
(b) $$_{115}MC$$ $$\left[ {Xe} \right]5{f^{14}}6{d^{10}}7{s^2}7{p^3}$$
(c) $$_{116}Lv$$ $$\left[ {Rn} \right]5{f^{14}}6{d^{10}}7{s^2}7{p^4}$$
(d) $$_{114}Fl$$ $$\left[ {Rn} \right]5{f^{14}}6{d^{10}}7{s^2}7{p^2}$$

A. (a)  
B. (b)
C. (c)
D. (d)
Answer :   (a)

Releted MCQ Question on
Inorganic Chemistry >> P - Block Elements

Releted Question 1

The reddish brown coloured gas formed when nitric oxide is oxidised by air is

A. $${N_2}{O_5}$$
B. $${N_2}{O_4}$$
C. $$N{O_2}$$
D. $${N_2}{O_3}$$
Releted Question 2

The temporary hardness of water due to calcium carbonate can be removed by adding —

A. $$CaC{O_3}$$
B. $$Ca{\left( {OH} \right)_2}\,$$
C. $$CaC{l_2}$$
D. $$\,HCl$$
Releted Question 3

Which of the following is most stable to heat

A. $$HCl$$
B. $$HOCl$$
C. $$HBr$$
D. $$HI$$
Releted Question 4

White $$P$$ reacts with caustic soda. The products are $$P{H_3}$$ and $$Na{H_2}P{O_2}.$$   This reaction is an example of

A. Oxidation
B. Reduction
C. oxidation and reduction
D. Neutralisation

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P - Block Elements


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