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MCl 4 ​ heat Zn ​ Purple colour compound (Colourless (A) liquid) M= Transition metal ↓Moist air (B) White fumes Identify (A), (B) and MCl 4 ​ . Also explain colour difference between MCl 4 ​ and (A). (B) and MCl 4 ​ . Also explain colour difference between MCl 4 ​ and (A). MCl [...]

How many Cr-O bonds are equivalent in chromate dianion How many Cr-O bonds are equivalent in chromate dianion December 3, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The oxidation number of Cr in the product of alkaline oxidative fusion of FeCr2O4 is The oxidation number of Cr in the product of alkaline oxidative fusion of FeCr2O4 is December 3, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

In the standarization of Na2S2O3 using K2Cr2O7 by iodometry, the equivalent weight of K2Cr2O7 is molecular weight/X. What is the value of X In the standarization of Na2S2O3 using K2Cr2O7 by iodometry the equivalent weight of K2Cr2O7 is molecular weight/X. What is the value of X December 3, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

The spin magnetic moment of cobalt in the compound (Hg(Co(SCN)4) is The spin magnetic moment of cobalt in the compound (Hg(Co(SCN)4) is December 3, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The number of moles of KMnO4 that will be needed to react completely with one mole of ferrous oxalate Fe(C2O4) in acidic solution is The number of moles of KMnO4 that will be needed to react completely with one mole of ferrous oxalate Fe(C2O4) in acidic solution is December 3, 2020 Category: Uncategorised (JEE Advanced [...]

Which of the following statement(s) is/are correct with reference to Fe 2+ and Cu 2+ (a) Both react with NaOH Which of the following statement(s) is/are correct with reference to Fe 2+ and Cu 2+ (a) Both react with NaOH December 3, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

An explosion takes place when conc. H2SO4 is added to KMnO4 due to formation of (a) Mn2O7 (b) MnO2 (c) MnSO4 (d) (MnO3)2SO4 An explosion takes place when conc. H2SO4 is added to KMnO4 due to formation of (a) Mn2O7 (b) MnO2 (c) MnSO4 (d) (MnO3)2SO4 December 3, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

Which of the following contain five unpaired electrons (a) Mn2+ (b) Fe 3+ (c) Fe 2+ (d) Ni 2+ Which of the following contain five unpaired electrons (a) Mn2+ (b) Fe 3+ (c) Fe 2+ (d) Ni 2+ December 3, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

In solid CuSO4.5H2O (a) Five molecules of H2O are coordinate bonded to Cu 2+ (b) Cu 2+ ion is coordinate bonded to four water molecules In solid CuSO4.5H2O (a) Five molecules of H2O are coordinate bonded to Cu 2+ (b) Cu 2+ ion is coordinate bonded to four water molecules December 3, 2020 Category: Uncategorised [...]