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What happens when aluminium and zinc salts react with an excess of NaOH (a) White precipitate is formed (b) White precipitate of both zn and Al first formed redissolve in excess of NaOH
02
Dec
What happens when aluminium and zinc salts react with an excess of NaOH (a) White precipitate is formed (b) White precipitate of both zn and Al first formed redissolve in excess of NaOH What happens when aluminium and zinc salts react with an excess of NaOH (a) White precipitate is formed (b) White precipitate of [...]
The acidic, basic or amphoteric nature of Mn2O7, V2O5 and CrO are respectively (a) Acidic, acidic and basic
02
Dec
The acidic, basic or amphoteric nature of Mn2O7, V2O5 and CrO are respectively (a) Acidic, acidic and basic acidic and basic basic or amphoteric nature of Mn2O7 The acidic V2O5 and CrO are respectively (a) Acidic December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In following reaction yMnO4 – + x H + C2O4 2- to yMn ++ + 2CO2 + x/2 H2O, x and y are (a) 2 and 16 (b) 16 and 2
02
Dec
In following reaction yMnO4 – + x H + C2O4 2- to yMn ++ + 2CO2 + x/2 H2O, x and y are (a) 2 and 16 (b) 16 and 2 In following reaction yMnO4 - + x H + C2O4 2- to yMn ++ + 2CO2 + x/2 H2O x and y are (a) [...]
Sulphur trioxide can be obtained by which of the following reaction (a) CaSO4 + C
02
Dec
Sulphur trioxide can be obtained by which of the following reaction (a) CaSO4 + C Sulphur trioxide can be obtained by which of the following reaction (a) CaSO4 + C December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following pairs of metals is purified by van Arkel method (a) Ni and Fe (b) Ga and In (c) Zr and Ti
02
Dec
Which of the following pairs of metals is purified by van Arkel method (a) Ni and Fe (b) Ga and In (c) Zr and Ti Which of the following pairs of metals is purified by van Arkel method (a) Ni and Fe (b) Ga and In (c) Zr and Ti December 2, 2020 Category: Uncategorised [...]
Atomic number of Cr and Fe are 24 and 26 respectively. Which of the following is paramagnetic with the spin of electron
02
Dec
Atomic number of Cr and Fe are 24 and 26 respectively. Which of the following is paramagnetic with the spin of electron Atomic number of Cr and Fe are 24 and 26 respectively. Which of the following is paramagnetic with the spin of electron December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
The basic character of the transition metal monoxides follows the order (a) TiO > VO > CrO > FeO
02
Dec
The basic character of the transition metal monoxides follows the order (a) TiO > VO > CrO > FeO The basic character of the transition metal monoxides follows the order (a) TiO > VO > CrO > FeO December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Assertion : AgCl dissolves in NH4OH solution. Reason : Due to formation of a complex.
02
Dec
Assertion : AgCl dissolves in NH4OH solution. Reason : Due to formation of a complex. Assertion : AgCl dissolves in NH4OH solution. Reason : Due to formation of a complex. December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Assertion : The aqueous solution of FeCl3 is basic in nature. Reason : FeCl3 hydrolyses in water.
02
Dec
Assertion : The aqueous solution of FeCl3 is basic in nature. Reason : FeCl3 hydrolyses in water. Assertion : The aqueous solution of FeCl3 is basic in nature. Reason : FeCl3 hydrolyses in water. December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Match the items under List 1 with the compounds/elements from the List 2. Select the correct answer from the sets (a), (b) , (c) and (d)
02
Dec
Match the items under List 1 with the compounds/elements from the List 2. Select the correct answer from the sets (a), (b) , (c) and (d) B C and D Match the items under List 1 with the compounds/elements from the List 2. Select the correct answer from the sets (a) December 2, 2020 Category: [...]