RCH₂CH₂OH can be converted into RCH₂CH₂COOH by the following sequence of steps
Formaldehyde reacts with NaOH(50%). Which one pair of products will be obtained?
The reaction/method that does not give an alkane is
Aldehydes and ketones do not give addition reaction with
Which of the following reagents cannot be used to distinguish between hexanal and 2-hexanone?
The addition of HBr to 2-pentene gives
Which is correct statement about proton?
An organic compound with the formula C₆H₁₂O₆ forms a yellow crystalline solid with phenylhydrazine and gives a mixture of sorbitol and mannitol when reduced with sodium. Which among the following could be the compound?
The glucose is an example of
The metal present in vitamin B₁₂ is
Which reagent will bring about the conversion of carboxylic acids into esters ?
Identify the wrong statement from the following :
Which of the following cannot reduce Fehling solution?
When H2 and I2 are mixed and equilibrium is attained,then
At equilibrium rate of forward reaction becomes equal to the rate of backward reaction
The state of equilibrium refers to
If one mole of an ideal gas at 27oC temperature is compressed reversibly from 20 litres to 10 litres, then work done during the process is (R=8.314J-K-1-mol-1)
A Carnot engine, whose efficiency is 20% receives heat at 450 K. If its efficiency is increased to 30%, then the intake temperature for the same exhaust temperature is
In a closed insulated container a liquid is stirred with a paddle to increase the temperature. Which of the following is true
IUPAC name of (CH₃)₂CH-CH₂-CH₂Br is
Which of the following organometallic compound?
The coordination number and oxidation state of the element E in the complex [ E e n 2 C 2 O 4 ] N O 2 (where en is ethylene diamine) are respectively
Structural formula of ethanenitrile is
In the diazotisation of aniline the excess of hydrochloric acid is used primarily with sodium nitrite because it
When quantity of electricity passed is one faraday then the mass deposited at the electrode is equal to
Standard electrode potential of three metals A,B and C are + 0.5 V, -3.0 and -1.2 V respectively. The reducing power of these metals are
An electrochemical cell reaction is : Pt, H₂(1atm) ∣ HCl(0.1M)∣∣ CH₃COOH (0.1M)∣ H₂ (1atm), Pt. The e.m.f. of this cell will not be zero, because
Diethyl ether is heated with one mole of HI, which is formed
For two ionic solids CaO and KI, identify the wrong statement among the following?
The value of gas constant per degree per mole is approximately
The substance used as a smoke screen in warfare is
Which one of the following elements is most metallic?
What is the molecular formula of white phosphorus ?
Carbon is in the lowest oxidation state in
Number of optically active isomers of tartaric acid
Body centred cubic lattice has a co-ordination number of
A liquid is found to scatter a beam of light but leaves no residue when passed through the filter paper. The liquid can be described as
Cuprous ore among the following is
Most common oxidation states shown by cerium are