MHT CET 2021 20th September Morning Shift

Which among the following compounds has highest melting point?

When alcoholic solution of an organic compound is treated with few drops of Schiff's reagent, pink colour appears. This confirms the presence of group

Which of the following compounds on reaction with Grignard reagent followed by hydrolysis forms secondary alcohol?

The reagent used in Gatterman-Koch formylation of arene is

Which of the following compounds on reaction with ammonical silver nitrate solution forms precipitate of silver?

Identify an orbital with the quantum numbers n = 4, \(l\) = 3, m = 0.

Identify the glycosidic linkage present in lactose.

Which of the following sugar is found in milk?

What is O\(-\)O bond length in resonance hybrid of ozone?

For the reaction, \(3 \mathrm{I}_{(\mathrm{aq})}^{-}+\mathrm{S}_2 \mathrm{O}_{8(\mathrm{aq})}^{2-} \longrightarrow \mathrm{I}_{3(\mathrm{aq})}^{-}+2 \mathrm{SO}_{4(\mathrm{aq})}^{2-}\), rate of formation of \(\mathrm{SO}_4^{2-}\) is $$0.022...

Instantaneous rate of a reaction is \(- {1 \over 2}{{d[x]} \over {dt}} = - {{d[y]} \over {dt}} = {1 \over 2}{{d[z]} \over {dt}}\), identify the reaction.

Half life for a first order reaction is 6.93 hour. What is the time required for 80% completion of the reaction?

What is the number of moles of H atoms required to prepare one mole ethylamine from one mole acetamide?

Which among following statements is NOT true about Gabriel phthalimide synthesis?

Which among the following compounds is NOT a carbocyclic compound?

Which among the following statements is true for Pt[(NH\(_3\))\(_2\)Cl\(_2\)] ?

Identify highest field strength ligand from following.

Which among the following elements has completely filled 4d-orbital?

Identify the correct statement about properties of interstitial compounds.

The molar conductivity of 0.1 M BaCl\(_2\) solution is 106 \(\Omega^{-1}\) cm\(^2\) mol\(^{-1}\) at 25\(^\circ\)C. What is it's conductivity?

Which from following is NOT correct regarding electrolysis?

A conductivity cell shows resistance of 600 ohm. If conductivity of 0.01 M KCl is 0.0015 \(\Omega^{-1}\) cm\(^{-1}\), what is cell constant?

Identify the compound obtained in following reaction?

Which among the following is NOT correct statement about \(\mathrm{S_N1}\) reaction?

When 2-Methylbut-2-ene is treated with hydrogen chloride, the major product obtained is

Identify total number carbon atoms present in undecane.

Identify the reagent R used in following reaction?

The solubility of AgCl in it's solution is 1.25 \(\times\) 10\(^{-5}\) mol dm\(^{-3}\). What is solubility product of AgCl?

Which from following compounds accepts proton from water molecule according to Bronsted-Lowry theory?

The pH of 0.1 M solution of monobasic acid is 2.34. Calculate the degree of dissociation of the acid.

How many chiral carbon atoms are present in 2 - Bromo - 3, 4, 5 - trimethylhexane?

Which of the following solutions does not flow in either direction, when separated by semipermeable membrane? (Molar mass : glucose = 180, urea = 60)

A solution of 6 g of solute in 100 g of water boils at 100.52\(^\circ\)C. The molal elevation constant of water is 0.52 K kg mol\(^{-1}\). What is molar mass of solute?

If vapour pressure of pure solvent and solution are 240 and 216 mm Hg respectively then mole fraction of solvent in solution is

What is the number of allotropes of selenium?

Which from following elements of halogen family is in liquid state at room temperature?

Identify the use of Buna-N from following.

Which of the following polymers is used in electrophoresis in the form of gel?

Identify reductant in following reaction.
\(\mathrm{{C_2}O_4^{2 - } + MnO_4^ - + {H^ + } \longrightarrow M{n^{2 + }} + C{O_2} + {H_2}O}\)

How many water molecules are present in formula of crystalline chloride of lithium?

What is the number of unit cells present in 3.9 g of potassium if it crystallizes in BCC structure?

What type of crystal structure from following has 52.36% packing efficiency?

An element (molar mass 180 ) has BCC crystal structure with density \(18 \mathrm{~g} \mathrm{~cm}^{-3}\). What is the edge length of unit cell?

What amount of oxygen is used at S.T.P. to obtain 9 g water from sufficient amount of hydrogen gas?

What is value of percent atom economy if formula weight of product is 46 u and sum of formula weight of all reactants is 92 u?

A gas occupies 11.2 dm\(^3\) at 105 kPa. What is it's volume if pressure is increased to 210 kPa?

Which among the following is a multi-molecular colloid?

Which of the following reactions shows work of compression?

Calculate change in enthalpy when 39 g acetylene is completely burnt with oxygen and enthalpy of combustion of acetylene is \(-\)1300 kJ/mol.
(At. mass C = 12, H = 1)

An ideal gas on isothermal reversible compression from 10L to 5L performs 1730J of work at 300 K. Calculate number of moles of gas involved in compression? (R = 8.314 J K\(^{-1}\) mol\(^{-1}\))