Chemistry Question Bank

The chemical reactions of dihydrogen are accomplished by

Name the gas, which is colourless, odourless, tasteless, combustible, lighter than air and insoluble in water.

Why does H+ ion always get associated with other atoms or molecules?

Hydrogen does not possess the metallic characteristics under normal conditions because

Which of the following statement is correct regarding properties of hydrogen?

In context with the industrial preparation of hydrogen from water gas (CO + H2), which of the following is the correct statement?

Water gas is mixed with steam and the mixture is passed over heated Fe2O3 in presence of Cr2O3. The mixture when passed in water dissolves CO2 and dihydrogen left undissolved is collected. This method of preparation o…

The process of production of syngas coal is quite common these days. The production of syngas from coal is called

Consider the following compounds, Choose the correct statement(s) regarding the above organic compounds.

Consider the below reaction and identify the missing reagent/chemical (NEET 2021) + NaOH + ? CH CH COO Na Heat CH CH Na CO ->

The major product formed in dehydrohalogenation reaction of 2-Bromopentane is pent-2-ene. This product formation is based on (NEET 2021)

The major product of the following chemical reaction is (NEET 2021) (a) (b) (c) (d)

An alkene A on reaction with O3 and Zn–H2O gives propanone and ethanal in equimolar ratio. Addition of HCl to alkene A gives B as the major product. The structure of product B is (NEET 2020) (a) (b) (c) (d)

An alkene on ozonlysis gives methanal as one of the product. Its structure is (NEET 2020) (a) (b) (c) (d)

Which of the following alkane cannot be made in good yield by Wurtz reaction? (NEET 2020)

Among the following the reaction that proceeds through an electrophilic substitution is (NEET 2019) (a) (b) (c) (d)

In the following reaction, red hot iron tube 873K H C C CH A -> The number of sigma () bonds present in the product A, is (NEET 2019)

The most suitable reagent for the following conversion, is (NEET 2019) (a) Hg / H ,H O

The alkane that gives only one monochloro product on chlorination with Cl2 in presence of diffused sunlight is (NEET 2019)

Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon containing less than four carbon atoms. (A) is (NEET 2018)

Predict the correct intermediate and product in the following reaction: (NEET 2017) (a) (b) (c) (d)

Which one is the correct order of acidity? (NEET 2017)

With respect to the conformers of ethane, which of the following statements is true? (NEET 2017)

The compound that will react most readily with gaseous bromine has the formula (NEET 2017) (a) C H (b) C H (c) C H (d) C H

In which of the following molecules, all atoms are coplanar? (NEET-II 2016) (a) (b) (c) (d)