Chemistry-
General
Easy
Question
IUPAC name of the following compound is
- Heptyl benzene
- 2-Benzyl heptane
- 2-Phenyl heptane
- 1-heptyl benzene
The correct answer is: 2-Phenyl heptane
Related Questions to study
chemistry-
IUPAC name of the following compound is
IUPAC name of the following compound is
chemistry-General
physics-
A train A crosses a station with a speed of 40 m/s and whistles a short pulse of natural frequency 
Another train B is approaching towards the same station with the same speed along a parallel track Two tracks are d = 99m apart When train A whistles, train B is 152m away from the station as shown in fig If velocity of sound in air 
, calculate frequency of the pulse heard by driver of train B
A train A crosses a station with a speed of 40 m/s and whistles a short pulse of natural frequency Another train B is approaching towards the same station with the same speed along a parallel track Two tracks are d = 99m apart When train A whistles, train B is 152m away from the station as shown in fig If velocity of sound in air , calculate frequency of the pulse heard by driver of train B
physics-General
physics-
Two tuning forks P and Q are vibrated together The number of beats produced are represented by the straight line OA in the following graph After loading Q with wax again these are vibrated together and the beats produced are represented by the line OB If the frequency of P is 341 Hz, the frequency of Q will be ___
Two tuning forks P and Q are vibrated together The number of beats produced are represented by the straight line OA in the following graph After loading Q with wax again these are vibrated together and the beats produced are represented by the line OB If the frequency of P is 341 Hz, the frequency of Q will be ___
physics-General
physics-
AB is a cylinder of length 1m fitted with a thin flexible diaphragm C at middle and two other thin flexible diaphragms A and B at the ends as shown The portions AC and BC contain hydrogen and oxygen gases respectively The diaphragms A and B are set into vibrations of the same frequency The minimum frequency of these vibrations for which diaphragm C is a node is (Under the conditions of the experiment the velocity of sound in hydrogen is 1100 m/s and oxygen 300 m/s)
AB is a cylinder of length 1m fitted with a thin flexible diaphragm C at middle and two other thin flexible diaphragms A and B at the ends as shown The portions AC and BC contain hydrogen and oxygen gases respectively The diaphragms A and B are set into vibrations of the same frequency The minimum frequency of these vibrations for which diaphragm C is a node is (Under the conditions of the experiment the velocity of sound in hydrogen is 1100 m/s and oxygen 300 m/s)
physics-General
chemistry-
Ground state electronic configuration of nitrogen atom can be represented by:
1 
2 
3 
4 
Ground state electronic configuration of nitrogen atom can be represented by:
1
2
3
4
chemistry-General
physics-
A rod PQ of length ‘L’ is hung from two identical wires A and B A block of mass ‘m’ is hung at point R of the rod as shown in figure The value of ‘x’ so that the fundamental mode in wire A is in resonance with first overtone of B is
A rod PQ of length ‘L’ is hung from two identical wires A and B A block of mass ‘m’ is hung at point R of the rod as shown in figure The value of ‘x’ so that the fundamental mode in wire A is in resonance with first overtone of B is
physics-General
physics-
The length of the wire shown in figure between the pulley is 1.5m and its mass is 12 gm Find the frequency of vibration with which the wire vibrates in two loops leaving the middle point of the wire between the pulleys at rest
The length of the wire shown in figure between the pulley is 1.5m and its mass is 12 gm Find the frequency of vibration with which the wire vibrates in two loops leaving the middle point of the wire between the pulleys at rest
physics-General
physics-
In a sonometer wire, the tension is maintained by suspending a 20kg mass from the free end of the wire The fundamental frequency of vibration is 300 Hz
If the tension is provided by two masses of 6kg and 14kg suspended from a pulley as show in the figure the fundamental frequency will
In a sonometer wire, the tension is maintained by suspending a 20kg mass from the free end of the wire The fundamental frequency of vibration is 300 Hz
If the tension is provided by two masses of 6kg and 14kg suspended from a pulley as show in the figure the fundamental frequency will
physics-General
physics-
A long rubber tube having mass 0.9kg is fastened to a fixed support and the free end of the tube is attached to a chord which passes over a pulley and supports an object, with a mass of 5kg as shown in figure If the tube is struck by a transverse blow at one end, the time required for the pulse to reach the other end is
A long rubber tube having mass 0.9kg is fastened to a fixed support and the free end of the tube is attached to a chord which passes over a pulley and supports an object, with a mass of 5kg as shown in figure If the tube is struck by a transverse blow at one end, the time required for the pulse to reach the other end is
physics-General
chemistry-
If the electronic structure of oxygen atom is written as 
it would violate:
If the electronic structure of oxygen atom is written as it would violate:
chemistry-General
physics-
A plane progressive wave is shown in the adjoining phase diagram The wave equation of this wave, if its position is shown at t=0, is
A plane progressive wave is shown in the adjoining phase diagram The wave equation of this wave, if its position is shown at t=0, is
physics-General
physics-
A source of sound is travelling at 
along a road, towards a point A When the source is 3m away from A,a person standing at a point O on a road perpendicular to the track hears a sound of frequency ‘ν’.The distance of O from A at that time is 4m.If the original frequency is 640 Hz, then the value of ν is (given velocity of sound 
A source of sound is travelling at along a road, towards a point A When the source is 3m away from A,a person standing at a point O on a road perpendicular to the track hears a sound of frequency ‘ν’.The distance of O from A at that time is 4m.If the original frequency is 640 Hz, then the value of ν is (given velocity of sound
physics-General
chemistry-
Na + ion is isoelectronic with:
Na + ion is isoelectronic with:
chemistry-General
physics-
A ‘pop’ gun consists a tube 25cm long closed at one end by a cork and the other end by a tightly fitted piston as shown The piston is pushed slowly in When the pressure rises to one and half times the atmospheric pressure, the cork is violently blow out The frequency of the‘pop’caused by its ejection is ( V = 340m/s)
A ‘pop’ gun consists a tube 25cm long closed at one end by a cork and the other end by a tightly fitted piston as shown The piston is pushed slowly in When the pressure rises to one and half times the atmospheric pressure, the cork is violently blow out The frequency of the‘pop’caused by its ejection is ( V = 340m/s)
physics-General
physics-
The vibrating of four air columns are represented in the figure The ratio of frequencies 
The vibrating of four air columns are represented in the figure The ratio of frequencies
physics-General
