Chemistry questions
29404 published questions with worked solutions.
- Primary amines react with Para Toluene sulfonyl chloride to form a precipitate that is soluble in NaOH. Secondary amines reacts...
- Alkane are very less reactive, tertiary hydrogen can oxidise to alcohol with KMnO_4. 2-methylbutane KMnO_4 2-methylbutan-2-ol
- C_ 12 H_ 22 O_ 11 +H_2O [ Sucrose ] Enzyme A C_6H_ 12 O_6+C_6H_ 12 O_6 C_6H_ 12 O_6 [ Sucrose ] Enzyme B 2C_2H_5OH+2CO_2 In the...
- For the coagulation of a negative sol, the species below, that has the highest flocculating power isNot in JEE Main or NEET syllabus
- Choose the correct statement regarding the formation of carbocations A and B given :- CH_3-CH_2-CH=CH_2+HBr...
- During which of the following processes, does entropy decrease ? (A) Freezing of water to ice at 0°C (B) Freezing of water to ice...
- A KCl solution of conductivity 0.14 S m^ -1 shows a resistance of 4.19 in a conductivity cell. If the same cell is filled with an...
- The reaction 2A+B_2 2AB is an elementary reaction. For a certain quantity of reactants, if the volume of the reaction vessel is...
- The total number of C–C sigma bond/s in mesityl oxide (C_6H_ 10 O) is_____. (Round off to the Nearest Integer.)
- A 1 molal K_4Fe(CN)_6 solution has a degree of dissociation of 0.4. Its boiling point is equal to that of another solution which...
- In the ground state of atomic Fe(Z = 26), the spin-only magnetic moment is______ 10^ -1 BM. (Round off to the Nearest Integer)....
- Consider the reaction N_2O_4(g) 2NO_2(g). The temperature at which KC = 20.4 and K_P = 600.1, is____K. (Round off to the Nearest...
- Some drug do not bind to the Enzyme's active site. These bind to a different site of enzyme which called allosteric site. This...Not in JEE Main or NEET syllabus
- A central atom in a molecule has two lone pairs of electrons and forms three single bonds. The shape of this molecule is :
- The absolute value of the electron gain enthalpy of halogens satisfies :
- Which of the following compound CANNOT act as a Lewis base ?
- Mesityl oxide is a common name of :
- A colloidal system consisting of a gas dispersed in a solid is called a/an :Not in JEE Main or NEET syllabus
- The correct order of conductivity of ions in water is :
- What is the spin-only magnetic moment value (BM) of a divalent metal ion with atomic number 25 , in it's aqueous solution ?