Which of the following is correct

  • A

    Basicity of phosphorous acid is $3$

  • B

    Perchloric acid has one peroxy linkage

  • C

    Solid $SO_3$ does not have cyclic structure

  • D

    Borazine has zero dipole moment

Similar Questions

Heating an aqueous solution of aluminium chloride to dryness will give

  • [AIEEE 2005]

A certain salt $X$, gives the following results.

$(i)$ Its aqueous solution is alkaline to litmus.

$(ii)$ It swells up to a glassy material $Y$ on strong heating.

$(iii)$ When conc. $H_2SO_4$ is added to a hot solution of $X$, white crystal of an acid $Z$ separates out.

Write equations for all the above reactions and identify $X, Y$ and $ Z$.

Correct Lewis acidity order of $BX_3$ is

When $AlCl_3·6H_2O$ is strongly heated, then it forms

Match List$-I$ with List$-II :$

List$-I$ List$-II$
$(a)$ $\mathrm{NaOH}$ $(i)$ Acidic
$(b)$ $\mathrm{Be}(\mathrm{OH})_{2}$ $(ii)$ Basic
$(c)$ $\mathrm{Ca}(\mathrm{OH})_{2}$

$(iii)$ Amphoteric

$(d)$ $\mathrm{B}(\mathrm{OH})_{3}$  
$(e)$ $\mathrm{Al}(\mathrm{OH})_{3}$  

Choose the most appropriate answer from the option given below :

  • [JEE MAIN 2021]