Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Three vectors P,Q, and R are shown in the figure . Let S be any point on the vector R . The distance between the points P and S is b |R| . The general relation among vectors P,Q and S is
11
Feb
Three vectors P,Q, and R are shown in the figure . Let S be any point on the vector R . The distance between the points P and S is b |R| . The general relation among vectors P,Q and S is -q and R are shown in the figure . Let S be any [...]
Equal moles of hydrogen and oxygen gases are placed in a container with a pin-hole through which both can escape. What fraction of the oxygen escapes in the time required for one-half of the hydrogen to escape?
11
Feb
Equal moles of hydrogen and oxygen gases are placed in a container with a pin-hole through which both can escape. What fraction of the oxygen escapes in the time required for one-half of the hydrogen to escape? 50 mol H2 gas and 1.0 mol He gas (a) Have equal average kinetic energies (b) Have equal [...]
The reaction C6H5CHO + CH3CHO to C6H5CH = CH – CHO is known as (a) Perkin’s reaction (b) Claisen condensation (c) Benzoin condensation (d) Cannizzaro’s reaction
11
Feb
The reaction C6H5CHO + CH3CHO to C6H5CH = CH – CHO is known as (a) Perkin’s reaction (b) Claisen condensation (c) Benzoin condensation (d) Cannizzaro’s reaction The reaction C6H5CHO + CH3CHO to C6H5CH = CH - CHO is known as (a) Perkin's reaction (b) Claisen condensation (c) Benzoin condensation (d) Cannizzaro's reaction February 11, 2021 [...]
Which of the following would undergo aldol condensation (a) CCl3.CHO (b) (c) CH3.CH2.CHO (d) HCHO
11
Feb
Which of the following would undergo aldol condensation (a) CCl3.CHO (b) (c) CH3.CH2.CHO (d) HCHO Which of the following would undergo aldol condensation (a) CCl3.CHO (b) (c) CH3.CH2.CHO (d) HCHO February 11, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
CH3CHO react with aqueous NaOH solution to form (a) 3-hydroxy butanal (b) 2-hydroxy butanal (c) 4-hydroxy butanal (d) 3-hydroxy butanol
11
Feb
CH3CHO react with aqueous NaOH solution to form (a) 3-hydroxy butanal (b) 2-hydroxy butanal (c) 4-hydroxy butanal (d) 3-hydroxy butanol CH3CHO react with aqueous NaOH solution to form (a) 3-hydroxy butanal (b) 2-hydroxy butanal (c) 4-hydroxy butanal (d) 3-hydroxy butanol February 11, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The average kinetic energy of an ideal gas per molecule is SI units at 25 degree C will be
11
Feb
The average kinetic energy of an ideal gas per molecule is SI units at 25 degree C will be The average kinetic energy of an ideal gas per molecule is SI units at 25 degree C will be February 11, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The reagent used for the separation of acetaldehyde from acetophenone is (a) NaHSO3 (b) C6H5NHNH2 (c) NH2OH (d) NaOH – I2
11
Feb
The reagent used for the separation of acetaldehyde from acetophenone is (a) NaHSO3 (b) C6H5NHNH2 (c) NH2OH (d) NaOH – I2 The reagent used for the separation of acetaldehyde from acetophenone is (a) NaHSO3 (b) C6H5NHNH2 (c) NH2OH (d) NaOH - I2 February 11, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
The temperature of the gas is raised from 27 degree C to 927 degree C, the root mean square velocioty is
11
Feb
The temperature of the gas is raised from 27 degree C to 927 degree C, the root mean square velocioty is the root mean square velocioty is The temperature of the gas is raised from 27 degree C to 927 degree C February 11, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Acetaldehyde cannot show (a) Iodoform test (b) Lucas test (c) Benedict’s test (d) Tollen’s test
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Feb
Acetaldehyde cannot show (a) Iodoform test (b) Lucas test (c) Benedict’s test (d) Tollen’s test Acetaldehyde cannot show (a) Iodoform test (b) Lucas test (c) Benedict's test (d) Tollen's test February 11, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Acetaldehyde and acetone can be distinguished by (a) Molisch test (b) Bromoform test (c) Solubility in water (d) Tollen’s test
11
Feb
Acetaldehyde and acetone can be distinguished by (a) Molisch test (b) Bromoform test (c) Solubility in water (d) Tollen’s test Acetaldehyde and acetone can be distinguished by (a) Molisch test (b) Bromoform test (c) Solubility in water (d) Tollen's test February 11, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,