Book Store

Download books and chapters from book store.
Currently only available for.
CBSE

Subject

Chemistry
zigya logo

NEET Chemistry : The p-Block Elements

Multiple Choice Questions

121.

when CO2 is bubbled through a solution of barium peroxide in water then

  • Carbonic acid is formed

  • O2 is released

  • H2O2

  • No reaction occurs



122.

Which one of the following elements is unable to form MF6-3 ion?

  • Ga

  • Al

  • In

  • B



123.

Consider the reaction, H+ X2  2HX, where X is halogen. The reactivity of halogens decrease in the order of

  • Cl> F2 > Br2 > I2

  • I2 > Br2 > F2 > Cl2

  • F2 > Cl2 > Br2 > I2

  • I> Br2 > Cl2 > F2



124.

Among the following compounds, which will produce POCl3 with PCl5

  • Only O2

  • O2 and CO2

  • CO2, O2 and P4O10

  • SO2, H2O, H2SO4 and P4O10



125.

In the structure of ClF3, the number of lone pair of electrons on central atom ‘Cl’ is

  • One

  • Two

  • Three

  • Four



126.

In which pair of ions both the species contain S – S bond?

  • S2O72–, S2O32–

  • S4O62–, S2O32–

  • S2O72–, S2O82–

  • S2O72–, S2O82–



127.

In which of the following compounds, sulphur show maximum oxidation number?

  • H2SO4

  • SO3

  • H2S2O7

  • All have same oxidation number for sulphur



128.

Which of the following statements is not true for halogens?

  • All form monobasic oxyacids

  • All are oxidizing agents

  • Chlorine has the highest electron-gain enthalpy

  • All but fluorine show positive oxidation states



129.

Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?

  • Na

  • K

  • Rb

  • Rb



130.

Which of the following oxide is most acidic?

  • As2O3

  • P2O5

  • Sb2O3

  • Bi2O3



1.png
curious learner
Do a good deed today
Refer a friend to Zigya