Chemistry MCQ: Practice Questions & Answers (Bengali) - Page 18

ChemistryEasyIonic Bonding And Ionic Compounds

341.

Which formula/name pair is incorrect?

A

$FeSO_4$ iron(II) sulfate

B

$Fe_2(SO_3)_3$ iron(III) sulfite

C

$Fe_2(SO_4)_3$ iron(III) sulfide

D

$FeSO_3$ iron(II) sulfite

ChemistryEasyIonic Bonding And Ionic Compounds

342.

Which formula/name pair is incorrect?

A

$Mn(NO_2)_2$ manganese(II) nitrite

B

$Mg(NO_3)_2$ magnesium nitrate

C

$Mn(NO_3)_2$ manganese(II) nitrate

D

$Mg_3N_2$ magnesium nitrite

ChemistryEasyIonic Bonding And Ionic Compounds

343.

When calcium reacts with sulfur the compound formed is

A

$Ca_2S_2$

B

$Ca_3S_2$

C

CaS

D

$CaS_2$

ChemistryEasyIonic Bonding And Ionic Compounds

344.

When a metal and a nonmetal react, the......................tends to lose electrons and the......................tends to gain electrons.

A

metal, metal

B

nonmetal, nonmetal

C

metal, nonmetal

D

nonmetal, metal

ChemistryEasyIonic Bonding And Ionic Compounds

345.

What is the formula of the compound formed between strontium ions and nitrogen ions?

A

SrN

B

$Sr_3N_2$

C

$Sr_2N_3$

D

$SrN_2$

ChemistryEasyIonic Bonding And Ionic Compounds

346.

What is the correct formula for ammonium sulfide?

A

$NH_4SO_3$

B

( $NH_4$ )2SO4

C

( $NH_4$ )2S

D

$NH_3S$

ChemistryEasyIonic Bonding And Ionic Compounds

347.

The name of the ionic compound ( $NH_4$ )3PO4 is

A

ammonium phosphate

B

tetrammonium phosphate

C

nitrogen hydrogen phosphate

D

ammonia phosphide

ChemistryEasyIonic Bonding And Ionic Compounds

348.

The ions $Ca^{2+}$ and $PO_4^{3-}$ form a salt with the formula

A

$CaPO_4$

B

Ca2

C

$Ca_3(PO_4)_2$

D

$Ca(PO_4)_2$

ChemistryEasyIonic Bonding And Ionic Compounds

349.

The formula of ammonium carbonate is

A

$(NH_4)_2CO_3$

B

$NH_4CO_2$

C

$(NH_3)_2CO_4$

D

$(NH_3)_2CO_3$

ChemistryEasyIonic Bonding And Ionic Compounds

350.

The formula for aluminum hydroxide is

A

AlOH

B

$Al_3OH$

C

Al2(OH)3

D

Al(OH)3

ChemistryEasyIonic Bonding And Ionic Compounds

351.

The formula for a salt is XBr. The X-ion in this salt has 46 electrons. The metal X is

A

Ag

B

Pd

C

Cd

D

Cu

ChemistryEasyIonic Bonding And Ionic Compounds

352.

The correct name of the compound $Na_3N$ is

A

sodium nitride

B

sodium azide

C

sodium trinitride

D

sodium(III) nitride

ChemistryEasyIonic Bonding And Ionic Compounds

353.

The correct name for SrO is

A

strontium oxide

B

strontium hydroxide

C

strontium peroxide

D

strontium monoxide

ChemistryEasyIonic Bonding And Ionic Compounds

354.

The correct name for $Na_2O_2$ is

A

Sodium oxide

B

Sodium dioxide

C

Disodium oxide

D

Sodium peroxide

ChemistryEasyIonic Bonding And Ionic Compounds

355.

The correct name for $MgF_2$ is

A

manganese difluoride

B

magnesium difluoride

C

monomagnesium difluoride

D

magnesium fluoride

ChemistryEasyIonic Bonding And Ionic Compounds

356.

The correct name for Mg( $ClO_3$ )2 is

A

magnesium chlorate

B

manganese chlorate

C

magnesium chloroxide

D

magnesium perchlorate

ChemistryEasyIonic Bonding And Ionic Compounds

357.

The correct name for $K_2S$ is

A

potassium sulfate

B

potassium disulfide

C

potassium bisulfide

D

potassium sulfide

ChemistryEasyIonic Bonding And Ionic Compounds

358.

The correct name for Cu(CN)2 is

A

Copper (I) cyanide

B

Carbon cyanide

C

Carbon carbonate

D

Copper (II) cyanide

ChemistryEasyIonic Bonding And Ionic Compounds

359.

The correct name for $CaH_2$ is

A

hydrocalcium

B

calcium dihydride

C

calcium hydride

D

calcium dihydroxide

ChemistryEasyIonic Bonding And Ionic Compounds

360.

The correct name for $Al_2O_3$ is

A

aluminum oxide

B

dialuminum oxide

C

dialuminum trioxide

D

aluminum hydroxide

Chemistry : Practice Questions and Answers

Chemistry : Practice Questions and Answers