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MnO4- reacts with Br- in alkaline pH to give (a) BrO3- , MnO2 (b) Br2, MnO4 2- (c) Br2, MnO2 (d) BrO- , MnO4 2- MnO2 (b) Br2 MnO2 (d) BrO- MnO4 2- MnO4 2- (c) Br2 MnO4- reacts with Br- in alkaline pH to give (a) BrO3- December 2, 2020 Category: Uncategorised (JEE Advanced [...]

KMnO4 in basic medium is reduced to (a) K2MnO4 (b) MnO2 (c) Mn(OH)2 (d) Mn 2+ KMnO4 in basic medium is reduced to (a) K2MnO4 (b) MnO2 (c) Mn(OH)2 (d) Mn 2+ December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

How H2S is liberated in laboratory (a) FeSO4 + H2SO4 (b) FeS + dil. H2SO4 (c) FeS + conc. H2SO4 How H2S is liberated in laboratory (a) FeSO4 + H2SO4 (b) FeS + dil. H2SO4 (c) FeS + conc. H2SO4 December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Red hot iron absorbs SO2 giving the product (a) FeS + O2 (b) Fe2O3 + FeS (c) FeO + FeS (d) FeO + S Red hot iron absorbs SO2 giving the product (a) FeS + O2 (b) Fe2O3 + FeS (c) FeO + FeS (d) FeO + S December 2, 2020 Category: Uncategorised (JEE Advanced [...]

The orange solid on heating gives a colourless gas and a greensolid which can be reduced to metal by aluminium powder. The orange and the green solids are respectively The orange solid on heating gives a colourless gas and a greensolid which can be reduced to metal by aluminium powder. The orange and the green [...]

When H2O2 is shaken with an acidified of K2Cr2O7 in presence of ether, the ethereal layer turns blue due to the formation of the ethereal layer turns blue due to the formation of When H2O2 is shaken with an acidified of K2Cr2O7 in presence of ether December 2, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

Hydrogen gas is not liberated when the following metal added to dil. HCl (a) Mg (b) Sn (c) Ag (d) Zn Hydrogen gas is not liberated when the following metal added to dil. HCl (a) Mg (b) Sn (c) Ag (d) Zn December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

The main product obtained when a solution of sodium carbonate reacts with mercuric chloride is (a) Hg(OH)2 (b) HgCO3. HgO The main product obtained when a solution of sodium carbonate reacts with mercuric chloride is (a) Hg(OH)2 (b) HgCO3. HgO December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Stainless steel does not rust because (a) Chromium and nickel combine with iron (b) Chromium forms an oxide layer and protects iron from rusting Stainless steel does not rust because (a) Chromium and nickel combine with iron (b) Chromium forms an oxide layer and protects iron from rusting December 2, 2020 Category: Uncategorised (JEE Advanced [...]

Which metal is used to make alloy steel for armour plates, safes and helmets (a) Al (b) Mn (c) Cr (d) Pb safes and helmets (a) Al (b) Mn (c) Cr (d) Pb Which metal is used to make alloy steel for armour plates December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]