Which elements makes chlorophyll complex?
Find resistance in a delta shape terminal.
A string is vibrating in its fifth overtone between two rigid supports 2.4 m apart. The distance between successive node and antinode is
Three isolated metal spheres A, B, C have radius R, 2R, 3R respectively, and same charge Q. UA, UB and UC be the energy density just outside the surface of the spheres. The relation between UA, UB and UC is
Identify the product B in the following reaction.Benzoyl chloride + H2O \(\rightarrow\) B + HCl
How many mole of electrons are required for the reduction of 1 mole of Cr3+ to Cr(s)?
Identify the use of Buna-S from following.
What is the intermediate product obtained in the preparation of phenol from aniline?
What is the quantity of sugar charcoal obtained when 34.2 g sugar is charred using required quantity of conc. sulphuric acid under ideal conditions?
Calculate the wave number of photon emitted during the transition from the orbit n=2 to n = 1 in hydrogen atom (RH = 109677 cm–1)
Two long parallel wires separated by distance ‘d’ carry currents I1 and I2 in the same direction. They exert a force F on each other. Now the current in one of the wire is increased to three times and its direction is made opposite. The distance between the wires is doubled. The magnitude of force between them is
A condenser of capacity ‘C’ is charged to a potential difference of ‘V1’. The plates of the condenser are then connected to an ideal inductor of inductance ‘L’. The current through an inductor when the potential difference across the condenser reduces to ‘V2’ is
Which is an oxidizing agent in following reaction? Fe(s) + Cu2+(aq) \(\to\) Fe2+(aq) + Cu(s)
Calculate final volume of a gas when pressure of 60 mL gas is increased from 1 to 1.5 atm, keeping temperature constant
Identify correct pair of properties of [Co(NH3)6]3+ complex ion.
Identify anionic complex from following
Which from following is an example of multimolecular colloid?
Calculate the pressure of gas if the solubility of gas in water at 25°C is 6.85 x 10–4 mol.dm–3. (Henry’s law constant is 6.85 x 10–4 mol.dm–3.bar–1)
Which among the following amino acids is NOT synthesized in our body?
The coefficient of linear expansion of brass and steel rod are ‘α1’ and ‘α2’ respectively. Lengths of brass and steel rods are ‘l1’ and‘l2’ respectively. If (l2 - l1) is maintained same at all temperatures, which one of the following relation is correct?
Identify the product Y in the following reaction
What is the relation between molar mass of solute and boiling point elevation of solution?
What is the pH of the solution containing 1.342 x 10–3 M H+ ions? (log 1.342 =0.1277)
The reagent used in Hofmann elimination reaction is
