Chemistry MCQs for NEET — Practice Questions with Answers

+3

+2

+4

-4

Cl^- > Br^- > I^- > F^-

Cl^- >  I^- > Br^- > F^-

  Br^- > Cl^- > I^- > F^-

  I^- > Br^- > Cl^- > F^-

0 to +2

+2 to +4

+4 to +2

+4 t0 +6

N${\mathrm{H}}_4^{+}$ $\to$N₂

N${\mathrm{O}}_3^{-} \to$NO

NO₂ $\to$N${\mathrm{O}}_2^{-}$

 NO₃ $\to$N${\mathrm{H}}_4^{+}$ 

With ioding to give hydrogen iodide

With lithium to give lithium hydride

With nitrogen to give ammonia

With sulphur to give hydrogen sulphide

it has several isotopes

it is very small and has 7 electrons in valency shell

its valency is one

it is the first member of the halogen series

zero

+4

+8 

+2

Mzeq_. = M x V_{in mL}

Meq. = N x V_{in mL}

Mzeq. = $\frac{mass}{Eq. mass}\times$1000

both (b) and (c) 

 H₂SO₄

K₂Cr₂O₇

 KMnO₄ 

none of these

oxidising agent

reducing agent

bleaching agent

all of these